which medication inhibits smooth muscle contraction, decreases histamine release, and inhibits acetylcholine release?

The specimen pictured lived in south africa, was discovered by raymond dart in 1925, and was approximately 3 years old at time of death that fossil/species is Australopithecus africanus.

When the skull of this 3-year-old child was discovered in 1924, it was one of the first early human fossils discovered in Africa and the first early human fossil discovery to garner significant attention to this area as the birthplace of the human family tree. But it still took more than 20 years for scientists to acknowledge Africa's significance as a key region in the history of human evolution.

Researchers initially observed signs of early human upright, two-legged (bipedal) walking in the preserved anatomy of the Taung Child. The location of the Taung Child's foramen magnum, or the opening through which the spinal cord and the brain are connected, served as proof.This spinal cord opening is located near the front of the Taung Child's skull, which is a feature connected to bipedal movement. The foramen magnum of a four-legged ape is located at the back of the head to keep its eyes forward (and not down) when it moves, in contrast to a bipedal adaption that allows the head to balance atop the neck.

Learn more about fossil here:

https://brainly.com/question/6867325

#SPJ4

Answer:

uhh

Explanation:

sorry i dont know

The cellular components that must move into the nucleus in order to perform their normal role include: Transcription factors, DNA polymerase, mRNA, RNA polymerase, histones and Ribosomal proteins.

Cellular components are the basic units of a cell and are responsible for carrying out the cell's functions. Cells have different structures and parts that allow them to perform different functions. These structures are referred to as cellular components. Some of the components of a cell include the nucleus, mitochondria, cytoplasm, ribosomes, endoplasmic reticulum, golgi apparatus, lysosomes, and cell membraneHistones are proteins that are involved in the packaging of DNA into the nucleus.

Histones help to organize and compact DNA so that it can fit into the nucleus.What are ribosomal proteins?Ribosomal proteins are proteins that are involved in the process of translation. Ribosomal proteins help to form the ribosome, which is responsible for translating mRNA into protein.

Learn more about cellular components here:https://brainly.com/question/1581447

#SPJ11

Localized inflammation involves the response of the body to tissue injury. The signs and symptoms of localized inflammation include redness, swelling, heat, pain, and loss of function. Check all that occur during localized inflammation.

Chemical mediators cause vasodilation: The chemical mediators released from cells including histamine, prostaglandins, and leukotrienes, cause vasodilation, which leads to an increase in blood flow to the injured area.Blood flow is decreased to the area: Blood flow is not decreased to the area, but rather, it is increased due to vasodilation.

Vascular permeability is increased: The increased permeability of the blood vessels at the site of injury allows leukocytes and plasma proteins to move from the blood into the tissues. The result of the increased vascular permeability is the accumulation of fluid in the interstitial spaces.

Fibrin walls off the area: Fibrinogen is converted to fibrin, which forms a clot around the area of injury. The clot helps to prevent the spread of infection and protects the tissue during the healing process.

Therefore, Fibrin does not wall off the area but rather, it helps to protect the area from further damage.

So, the correct options are:Chemical mediators cause vasodilation.Vascular permeability is increased.

Learn more about blood vessels here ;

https://brainly.com/question/4601677

#SPJ11

1) One benefit of using a model is that it provides a visual guide for abstract concepts. Option A

2) The pathway is photosynthesis.

3) The blanks are filled by autotrophs and  heterotrophs

4) Biodiversity will decrease, and sustainability will decrease.

5) It can support 500,000 hawks

6) It can perform respiration without oxygen

7) They are called halophiles

8) The water chemistry is the unseen factor that affects the carrying capacity of the ocean.

9) Protecting land can increase biodiversity.

10) Cornfield has the least biodiversity

11) The acid rain causes the snow to become darker, which increases snow melt.

12) The steps are; Advantageous trait → survival of the fittest→ differential reproduction → natural selection → evolution

A model facilitates the understanding and communication of abstract topics by helping to clarify them. Models can aid scientists and researchers in developing a better understanding of complicated systems or events, testing hypotheses, and making predictions.

Models are helpful tools, but they cannot replace actual experimentation and may not capture all of the specifics of the genuine phenomenon.

Biodiversity has to do with the number of the organisms that we have in a place and the more the biodiversity the better the environment.

Autotrophs, also known as primary producers, are organisms that can synthesize their own food using inorganic substances, such as carbon dioxide and water.

Learn more about model:https://brainly.com/question/14281845

#SPJ1

Answer:

please give me brainlist and follow

Explanation:

Earthworms pass both soil and organic matter through their guts, in the process aerating the soil, breaking up the litter of organic material on its surface, and moving material vertically from the surface to the subsoil.

Although they operate similarly to stem cells, they are still not fully understood. Instead of harvesting from Human embryogenesis, cells are converted into stem cells.

Human embryogenesis, also known as human embryonic development, is the process by which a human embryo develops and takes shape. Early stages of development are characterised by the processes of cell division and cellular differentiation of the embryo. The growth of the human body from a one-celled zygote to an adult human being can be thought of in terms of biology. When a sperm cell reaches an egg cell successfully and unites with it, fertilisation takes place (ovum). The single cell zygote is created from the genetic material of the sperm and egg, and the germinal stage of development then starts. Development of the embryo. The first eight weeks of human embryonic development are referred to as embryonic development; from the start of the ninth week, the embryo is referred to as a foetus. The study of this growth in the first eight weeks following conception is known as human embryology. The average gestation (pregnancy) lasts 40 weeks, or about nine months.

Learn more about Human embryogenesis here

https://brainly.com/question/14609054

#SPJ4

Flamingos eat algae, small seeds, tiny crustaceans, fly larvae and other plants and animals that live in shallow waters. When it's time to eat, flamingo places its head upside down in the water with its bill pointed at its feet.

Lesser, James', and Andean flamingos have deep-keeled bills and feed on algae and diatoms. Flamingos are pink from eating algae that contains carotenoid pigments.

Greater, Caribbean, and Chilean flamingos have shallow-keeled bills and they feed on insects, aquatic invertebrates and small fishes whereas Caribbean flamingos eat larval and pupal forms of flies and brine shrimp as main food.

To know more about flamingos, refer

https://brainly.com/question/28698232

#SPJ4

The sequence of mitosis is prophase, metaphase, anaphase, and telophase. The correct option is B.

Procedures that occurs in the nucleus of a dividing cell, typically consisting of prophase, metaphase, anaphase, and telophase.

It results in the formation of two new nuclei, each with the same number of chromosomes as the parent.

Thus, the correct option is B.

For more details regarding mitosis, visit:

https://brainly.com/question/25123869

#SPJ2

A logistic growth curve is a graph that shows the population slowing or stopping after a period of fast growth. The expansion of a population as it approaches its carrying capacity is depicted by a logistic growth curve.

Exponential Growth is a line graph that displays population growth over time. The line's ascending curve and rising slope demonstrate the exponential growth of the population.

Population growth slows or stops as resources become scarcer. The graph below depicts a yeast population and displays the general, S-shaped curve of this development pattern, known as logistic growth. During a time of exponential expansion, a population's growth slows or pauses, which is known as logistic growth.

to know more about the rapid growth here:

https://brainly.com/question/9751211

#SPJ9

Answer:

Answer:

Some of the characteristics of reptiles are :-

Latitude affects the climate of two cities by altering the temperature of the air.

Latitude affects many aspects of the environment, including climate, vegetation, landforms, and wildlife. The angle of the sun's rays, the amount of hours of daylight, temperature, precipitation, and air pressure all vary depending on the latitude. Generally, the further north or south of the equator a location is, the colder it will be.

Cities located at higher latitudes generally experience cooler temperatures than cities located at lower latitudes due to the sun's angle of incidence. This is because the sun's rays are more direct at lower latitudes, heating the atmosphere more effectively. As a result, cities located at higher latitudes tend to experience cooler temperatures than cities at lower latitudes. Additionally, latitude does not affect precipitation levels, but changes in temperature can influence the amount of precipitation that a city receives.

To learn more about Latitude affect
https://brainly.com/question/2008738
#SPJ1

The bond types that may be utilized to establish the tertiary structure of a protein are the non-covalent bonds.

The tertiary structure of a protein is the arrangement of a protein in the three dimensional space. It is stabilized by the non-covalent bonds. It is the level of protein structure where a protein becomes functional. The example of protein which is functional in tertiary structure is myoglobin.

Non-covalent bonds are those that are formed between different molecules rather than the atoms. No sharing of electrons occurs in this type of bonding. The examples of these bonds are: ionic bonds, hydrogen bonds, Van der Waals forces, etc.

To know more about tertiary structure, here

brainly.com/question/9186505

#SPJ4

Answer:

endothermic reaction

Explanation:

This means it cannot occur without energy (from the Sun).

The hypothesis that might be supported by the quaternary structure below is option D: the higher presence of beta pleated sheets confers resistance to PrPSc.

According to Fourier-transform infrared (FTIR) spectroscopy, PrPSc has a high beta-sheet content (43%) and a low alpha-helix content (30%)1. As determined by FTIR, PrPC has a low beta-sheet content (3%) and a high alpha-helix content (42%).

Prion Protein Scrapie is known as PrPSc. The cellular prion protein, PrPC, is a variation with an alternate fold known as PrPSc. In the brain and central nervous system (CNS) of the sick person, PrPSc manifests as spongiform lesions.

Hence, it may be concluded that the absence of beta pleated sheets does not result in the development of PrPSc resistance.

To know more about CNS, refer:

https://brainly.com/question/7265893

#SPJ4

Correct question is:

Based on the quaternary structure shown below, which of the following hypotheses could be supported? choose one:

a. the loss of beta pleated sheets confers resistance to prpsc.

b. the increased presence of beta pleated sheets confers resistance to prpsc.

c. the disordered quaternary conformation of the prpsc explains why the protein can easily form aggregates.

d. the increased presence of alpha helices confers resistance to prpsc.

A short summary of the question may be jotted down as:

(a) Ride hail and food delivery are complements, as they serve as alternative methods of transportation and delivery for consumers. Restaurant dining and food delivery are substitutes, as consumers can choose between dining in at a restaurant or ordering food for delivery.

(b) The market demand curve for ride-hail will depend on factors such as price, availability, and consumer preferences. The market demand curve for food delivery will also depend on price, convenience, and consumer preferences.

(c) The shift to work from home likely increased the demand for food delivery, as individuals staying at home may prefer to have meals delivered rather than cooking or going out to eat. The demand for ride-hail may have decreased, as there would be fewer commuters traveling to workplaces.

(d) The prohibition against eating in restaurants likely increased the demand for both ride-hail and food delivery. Without the option to dine in at restaurants, consumers may rely more on ride-hail services to travel to food establishments for takeout, and they may also increase their use of food delivery services to have meals delivered directly to their homes.

Now, the explanation of each of the situations:

(a) Ride hail services, such as Uber or Grab, and food delivery services, such as Deliveroo or Foodpanda, are complements because they provide alternative transportation and delivery options for consumers. When individuals use ride-hail services, they may also use food delivery services to have meals delivered to their location. On the other hand, restaurant dining and food delivery are substitutes as consumers can choose between eating at a restaurant or ordering food for delivery based on their preferences and convenience.

(b) The market demand curve for ride-hail depends on factors such as price, availability of drivers, travel distance, and consumer preferences. The demand curve for ride-hail will slope downward, indicating that as the price of ride-hail services decreases, the quantity demanded by consumers increases, assuming other factors remain constant. Similarly, the market demand curve for food delivery depends on factors such as price, delivery speed, food variety, and consumer preferences. The demand curve for food delivery will also slope downward, indicating an inverse relationship between price and quantity demanded.

(c) The shift to working from home likely increased the demand for food delivery services. With individuals staying at home, there may be a greater desire for convenience and the avoidance of cooking. Ordering food for delivery provides a convenient solution for meals. On the other hand, the demand for ride-hail services may have decreased because fewer people commuting to workplaces means fewer individuals requiring transportation for daily commutes.

(d) The prohibition against eating in restaurants likely increased the demand for both ride-hail and food delivery services. With the inability to dine in at restaurants, individuals who still desired restaurant-prepared meals would rely on ride-hail services to travel to food establishments for takeout orders. Additionally, the demand for food delivery services would likely increase as consumers sought the convenience of having meals delivered directly to their homes instead of going out to restaurants. The increased demand for both ride-hail and food delivery services can be attributed to the restriction on restaurant dining.

Learn more about market demand at:

https://brainly.com/question/29703449

#SPJ11

In a dihybrid cross, two traits are studied simultaneously. In this case, the two traits are A and B. The parental generation is AaBb aabb.

When these gametes combine, they produce an F1 generation with the genotype AaBb. The question is asking how many heterozygotes for both gene pairs are found among the F1 offspring. Heterozygotes have two different alleles for a particular gene, while homozygotes have two identical alleles. In this case, the F1 offspring are heterozygous for both genes, so the answer is D) four. This is because each parent is heterozygous for both genes, so all of the offspring inherit one dominant and one recessive allele for each gene. Therefore, all of the F1 offspring are heterozygotes for both gene pairs.

TO know more about homozygotes refer :

https://brainly.com/question/29455764

#SPJ11

Gray hair (G) is dominant over white hair (g), and black eyes (B) are dominant over red eyes in rabbits (b). These two characteristics are unrelated.

In other words, a female rabbit having the genotype GgBb may lay eggs containing the alleles GB, Gb, gB, or gb.

The grey bunny's genotype is BBWW because it is a hybrid between two separate phenotypes.

Lastly, the most recessive gene, the "c" gene, removes all color from the rabbit's coat, leaving just white fur, regardless of the rabbit's other gene pairings.

The "ch" and "c" genes both remove color pigment from the eyes and the fur.

learn more about genotype

https://brainly.com/question/902712

#SPJ1

Answer:

A

Explanation:

Because people will not always stay the same people can change when they're ready

Answer:

Particulate Matter

Explanation:

The chromosomes in the vegetative, reproductive, and or the zygote or embryo cells of the illustrated animals would be as below.

Diploid cells are mostly vegetative cells with double chromosome sets (2n). Haploid cells, on the other hand, are gametes or reproductive cells with just a set of chromosomes (n).

During fertilization, male and female gametes fuse together to form diploid zygotes or embryo cells (2n).

Thus:

Also:

More on ploidy levels of organisms can be found here: https://brainly.com/question/11157430

#SPJ1

Answer: The excretory system gets rid of waste and excess water.

There are major organs tasked with removing toxic substances from your body organs are kidneys, and lungs  

Explanation:

Clear or pink watery fluid dripping from the nose or ear is a sign of a possible cerebrospinal fluid (CSF) leak.

CSF is a clear, colorless fluid that surrounds and protects the brain and spinal cord. When there is a break in the bones or tissues that surround the brain and spinal cord, it can cause CSF to leak out through the nose or ear.

A CSF leak can be caused by a head injury, a tumor, a sinus infection, or a complication from surgery. It is important to seek medical attention if you experience any of these symptoms, as a CSF leak can lead to serious complications if left untreated.

Other symptoms of a CSF leak may include a headache that worsens when you stand up, nausea or vomiting, and a stiff neck.

If you suspect you have a CSF leak, your doctor may perform a physical exam and order imaging tests such as a CT scan or MRI to confirm the diagnosis.

Treatment for a CSF leak may involve bed rest, antibiotics, or surgery to repair the leak. It is important to follow your doctor's recommendations for treatment to prevent complications and ensure a speedy recovery.

For more question on fluid visit;

https://brainly.com/question/14445684

#SPJ11

Answer: Tree Trunk

Explanation:

the Moon would cause weather and change of the ocean tides. this would mean much higher tides. if that makes any sense

Answer:

The tides would be messed up and throughout it's orbit the moon will look smaller and bigger.

Explanation:

If marathon runners start too quickly, they are unlikely to finish the race. He/she is likely to finish the race last. The slower one starts the chances become high to win. The scientific reason behind this is, the utilization of glycogen accelerates where there is no glycogen and energy left for the end of the race.

Glycogen provides energy and is the storage food for the human body. This affects the performance of the runner and leads to a loss in the race. Not only the energy source is deprived but also the muscles become fatigued due to less O2.

Learn more about Glycogen, here:

https://brainly.com/question/31488365

#SPJ1

An ichnofossil is any part of the hard skeleton left behind by a vertebrate in the fossil record. This statement is false. An ichnofossil is a trace fossil, which is any indirect evidence of past life, such as tracks, burrows, and feces. It is not part of the hard skeleton left behind by a vertebrate.

Cladograms are scientific hypotheses that can be overturned by new data. This statement is true. Cladograms are diagrams that show the evolutionary relationship between organisms based on various traits. New data can cause changes to be made to cladograms which can result in a change to the interpretation of the evolutionary history of organisms.

Angiosperm plants did not appear until after the extinction of the dinosaurs. This statement is false. Angiosperms, also known as flowering plants, appeared in the fossil record at least 140 million years ago. Although the dinosaurs went extinct around 66 million years ago, angiosperms were already widespread and diversifying by that time.

The definition of an analogous character is "a character that has a similar function to a character in a different organism, but these similarities are due to different evolutionary origins". This statement is true. Analogous characters are traits that have evolved independently in different groups of organisms due to similar environmental pressures and not due to a shared ancestor.

In evolution, non-genetic changes that occur during an organism's life span, such as increases in muscle mass due to exercise and diet, cannot be passed on to the next generation. This statement is true. Non-genetic changes that occur during an organism's life span are not heritable and cannot be passed on to the next generation. Only genetic changes that occur in the germ cells, such as mutations, can be passed on to the offspring.

The definition of a monophyletic group is "a group of organisms that has a single ancestor and contains only some of the descendants of this unique ancestor". This statement is false. A monophyletic group is a group of organisms that has a single ancestor and contains all of the descendants of this unique ancestor. This group is also called a clade.

Learn more about Cladograms:

https://brainly.com/question/27405768

#SPJ11

Answer:

D.) If the homozygous tall plant (TT) crosses with a homozygous short plant (tt), then all the F1 plants become heterozygous tall plants (Tt).

Explanation:

Homozygous indicates that the alleles in the genotype are the same. Therefore, the genotype for homozygous tall plants is (TT) and the genotype for homozygous short plants is (tt).

After performing a cross, we know that all of the children will have the heterozygous genotype (Tt).

Answer:

I hope this helps.

Explanation:

The three mechanisms that contribute to genetic variations in the sexual life cycle are crossing over, independent, assortment, and fertilization.

The three mechanisms that contribute to genetic variations in the sexual life cycle are as follows:

1. Crossing over: During the process of meiosis, homologous chromosomes exchange segments, which results in the production of new combinations of alleles. This process is known as crossing over and contributes to genetic variation.

2. Independent assortment: During the process of meiosis, the arrangement of chromosomes is random, leading to the independent assortment of alleles. This also contributes to genetic variation, as different combinations of alleles are produced.

3. Fertilization: The process of fertilization involves the fusion of two haploid gametes to form a diploid zygote. As different gametes can fuse together during fertilization, this also contributes to genetic variation.

In conclusion, the three mechanisms that contribute to genetic variations in the sexual life cycle are crossing over, independent assortment, and fertilization.

Learn more about genetic variations at https://brainly.com/question/848479

#SPJ11

Answer:

We are different because we don't have to eat from outside and we have different features.

Explanation: